polynom (version 1.4-1)

deriv.polynomial: Differentiate a Polynomial

Description

Calculates the derivative of a univariate polynomial.

Usage

# S3 method for polynomial
deriv(expr, …)

Arguments

expr

an object of class "polynomial".

…

further arguments to be passed to or from methods.

Value

Derivative of the polynomial.

Details

This is a method for the generic function deriv.

See Also

integral.polynomial, deriv.

Examples

# NOT RUN {
pr <- poly.calc(1:5)
pr
## -120 + 274*x - 225*x^2 + 85*x^3 - 15*x^4 + x^5
deriv(pr)
##  274 - 450*x + 255*x^2 - 60*x^3 + 5*x^4
# }